Q: What are the prime factors of the number 23,224,640?

 A: 2, 5, 72577

Why are those the prime factors of the number 23,224,640?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 23,224,640

23,224,640
Factor Arrows
211,612,320
Factor Arrows
25,806,160
Factor Arrows
22,903,080
Factor Arrows
21,451,540
Factor Arrows
2725,770
Factor Arrows
2362,885
Factor Arrows
572,577

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 5, 72577

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 72,577 = 23,224,640

This can also be written as 26 x 51 x 72,5771 = 23,224,640

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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